> > If you use Alt+Enter to toggle windowed mode, can you then use Alt+Tab to switch
> > applications? I can't remember what Windows is supposed to do, but that's the
> > behaviour on OSX (need to use Option-Return to get out of fullscreen before Cmd-Tab
> > will work). MAME could be doing system shortcut capture in full screen.
> Windows will always Alt-Tab, full screen or not is irrelevant.
Well this is what I always suspected (and confirmed in my specific usage) to begin with (but didn't care enough about to research it, so personally couldn't verify), but am sure glad to have seen confirmed.